Walibora, K. W. Liswahili, Utangamano na maendeleo Endelevu Africa Mashariki / K. W. Walibora, K. I. A. H. na Simala. - Tanzania : KAKAMA, c2019. - xix, 309 p. ; 21 cm. Includes index. Includes bibliographic references. ISBN: 9789976516531 Dewey Class. No.: 496 / WAL